Chapter 6 of 16
Syllabus
Chemical Kinetics — Syllabus
Maharashtra Board · Class 12 · Chemistry
What Chemical Kinetics covers in Maharashtra Board Class 12 Chemistry: 4 topics, for the 2026-27 session. Topics include Rate of Chemical Reactions, Rate.
45 questions22 flashcards5 formulas & key relations5 concepts
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4 Topics · Maharashtra Board Class 12 Chemistry · 2026-27
Topics in Chemical Kinetics
1
Rate of Chemical Reactions
- Rate of reaction = change in concentration of reactants or products per unit time
- Average rate = Δc/Δt, measured over a time interval
- Instantaneous rate = dc/dt, measured at a specific instant using tangent to concentration-time curve
2
Rate Law and Order of Reaction
- Rate law: Rate = k[A]ˣ[B]ʸ, where k is rate constant
- Order of reaction = sum of powers (x + y) in rate law expression
- Order is experimentally determined, not from balanced equation
3
Molecularity and Elementary Reactions
- Elementary reaction: occurs in single step, cannot be broken down further
- Molecularity: number of reactant molecules participating in elementary reaction
- Molecularity is always positive integer (1, 2, or rarely 3)
4
Integrated Rate Laws
- Integrated rate laws relate concentration to time
- Different for different orders of reactions
- Allow calculation of concentration at any time or time for given concentration change
Key Concepts
The rate of reaction is definedRate law expresses the relationship betweenMolecularity is the number of reactantFor firstTime required for reactant concentration
Work through every topic in Chemical Kinetics with notes and quizzes
Start This ChapterFrequently Asked Questions
What are the important topics in Chemical Kinetics for Maharashtra Board Class 12 Chemistry?
Key topics in Chemical Kinetics include Rate of Chemical Reactions, Rate Law and Order of Reaction, Molecularity and Elementary Reactions, Integrated Rate Laws. Study these first, then practise questions on each for the Maharashtra Board Class 12 board exam.
How should I revise Chemical Kinetics for the Maharashtra Board Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Chemical Kinetics. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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